&nbsp351 &nbspFXUS01 KWBC 270757 &nbspPMDSPD &nbsp &nbspSHORT RANGE FORECAST DISCUSSION &nbspNWS WEATHER PREDICTION CENTER COLLEGE PARK MD &nbsp257 AM EST TUE FEB 27 2018 &nbsp &nbspVALID 12Z TUE FEB 27 2018 - 12Z THU MAR 01 2018 &nbsp &nbsp...HEAVY RAIN POSSIBLE OVER PARTS OF THE SOUTHERN PLAINS/LOWER &nbspMISSISSIPPI VALLEY INTO THE TENNESSEE VALLEY... &nbsp &nbsp...HEAVY SNOW POSSIBLE OVER THE CASCADES, SHASTA/TRINITY, AND &nbspSIERRAS... &nbsp&nbsp &nbsp..HEAVY SNOW POSSIBLE OVER PARTS OF NORTHERN NEW ENGLAND &nbsp &nbsp&nbsp &nbsp..SNOW POSSIBLE OVER THE MOGOLLON RIM &nbsp &nbspA STRONG FRONT EXTENDING FROM THE UPPER GREAT LAKES SOUTHWESTWARD &nbspTO THE CENTRAL HIGH PLAINS WESTWARD INTO THE GREAT BASIN AND &nbspSOUTHERN CALIFORNIA MOVES EASTWARD TO THE NORTHEAST TO &nbspCENTRAL/SOUTHERN PLAINS BY WEDNESDAY EVENING. THE STORM WILL &nbspPRODUCE RAIN AND HIGHER ELEVATIONS SNOW OVER PARTS OF &nbspCENTRAL/SOUTHERN CALIFORNIA THAT MOVES INTO THE SOUTHWEST &nbspOVERNIGHT TUESDAY AND INTO PARTS OF THE CENTRAL/SOUTHERN ROCKIES &nbspBY WEDNESDAY EVENING. &nbsp &nbspMEANWHILE, MOISTURE FROM THE WESTERN GULF OF MEXICO STREAMS &nbspNORTHWARD INTO THE CENTRAL/SOUTHERN PLAINS BY TUESDAY AFTERNOON. &nbspTHE MOISTURE MOVES NORTHEASTWARD INTO THE GREAT LAKES AND THE &nbspNORTHEAST BY WEDNESDAY EVENING. SHOWERS AND THUNDERSTORMS WILL &nbspBEGIN TO DEVELOP OVER PARTS OF THE SOUTHERN PLAINS ON TUESDAY &nbspMORNING AND EXPANDING INTO THE LOWER MISSISSIPPI VALLEY BY TUESDAY &nbspEVENING. THE AFOREMENTIONED STRONG FRONT MOVES INTO THE SOUTHERN &nbspPLAINS INTO THE GREAT LAKES OVERNIGHT TUESDAY INTO WEDNESDAY &nbspMORNING. THE SHOWERS AND THUNDERSTORMS MOVE INTO THE MIDDLE/LOWER &nbspMISSISSIPPI VALLEY BY WEDNESDAY MORNING WHILE CONTINUING OVER &nbspPARTS OF THE SOUTHERN PLAINS. SHOWERS AND THUNDERSTORMS EXPAND &nbspINTO PARTS OF THE SOUTHEAST BY WEDNESDAY EVENING. IN ADDITION, &nbspRAIN AND SNOW DEVELOP ALONG THE BOUNDARY OVERNIGHT TUESDAY OVER &nbspPARTS OF THE UPPER MISSISSIPPI VALLEY INTO THE UPPER GREAT LAKES. &nbsp &nbsp &nbspZIEGENFELDER &nbsp &nbspGRAPHICS AVAILABLE AT &nbspWWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP &nbsp &nbsp